Auralite 23

Also known as "Kindred Spirit Stone", it has been suggested that Auralite 23 is one the oldest known crystals, which developed more than 1.5 billion years ago and contains 23 earth elements; Titanite, Cocoxenite, Lepidocrosite, Malachite, Hematite, Magnetite, Pyrite, Geothite, Pyrolusite, Gold, Silver, Platinum, Nickel, Copper, Iron, Limonite, Shpalerite, Covellite, Chalcopyrite, Gilalite, Epidote, Bornite, and Rutile.